Figure 4.

The distance distributions from the intronic snoRNA genes to the 3' and 5' splicing sites of host gene introns. The gray and black bars represent space lengths from the 3' and 5' splicing sites (SS), respectively, to the snoRNA genes.

Liu et al. BMC Genomics 2009 10:515   doi:10.1186/1471-2164-10-515
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